# Aquivalent vs Watta

The clearest difference is rating: Watta at 5.0 against Aquivalent's 3.5. Watta also leads on update cadence (weekly vs monthly). Aquivalent's advantage is ratings volume (8 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Watta holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Aquivalent has 8 ratings behind it against 1, so its average is the more settled of the two.

Aquivalent ships an update monthly, Watta weekly. The most recent releases landed on June 5, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Aquivalent | Watta |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (8 ratings)](https://appshunter.io/ios/app/aquivalent/id6463002022/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/watta/id6758580968/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | Free |
| Size | 78 MB | 36 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Aquatic clear solutions, LLC](https://appshunter.io/developer/1703763151) | [STEPHEN CHRISTOPHER MILTON](https://appshunter.io/developer/1873767248) |

## What reviewers say

### Aquivalent

[App page](https://appshunter.io/ios/app/aquivalent/id6463002022)

This app uses AI and a specialized kit to provide accurate water testing for pools and hot tubs. Simply scan test strips for instant readings on key chemical levels, helping you maintain healthy and safe water while saving on chemical costs.

**Highlights:** AI-enabled water testing, Scan test strips for instant readings, Tests for chlorine, alkalinity, pH, and more, Durable and protective test strip kit, Cost savings on pool chemicals, Compatible with iPhone

**Features:** macOS Compatibility

**In-app purchases:** none


### Watta

[App page](https://appshunter.io/ios/app/watta/id6758580968)

Effortlessly log your rowing, biking, and skiing workouts by simply taking a photo of your machine's screen. AI automatically extracts your performance data, organizing it into a comprehensive training log. Connect with your club, compete on leaderboards, and share your progress with teammates.

**Highlights:** AI photo data extraction, Automatic workout logging, Support for Concept2 monitors, Manual workout entry, Training history and trends, Club and squad features, Leaderboards and competition

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Aquivalent free?

Aquivalent is free to download, with no in-app purchases.

### Is Watta free?

Watta is free to download, with no in-app purchases.

### Which has better reviews, Aquivalent or Watta?

Watta is rated higher. Aquivalent averages 3.5 out of 5 from 8 ratings, while Watta averages 5.0 from 1 ratings.

### Do Aquivalent or Watta have ads?

Neither Aquivalent nor Watta shows ads.

### Which is updated more often, Aquivalent or Watta?

Aquivalent ships an update monthly, and Watta weekly. Most recently, Aquivalent was updated on June 5, 2026 and Watta on September 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*